CN105158856B - Pluggable optical passive device - Google Patents
Pluggable optical passive device Download PDFInfo
- Publication number
- CN105158856B CN105158856B CN201510342513.5A CN201510342513A CN105158856B CN 105158856 B CN105158856 B CN 105158856B CN 201510342513 A CN201510342513 A CN 201510342513A CN 105158856 B CN105158856 B CN 105158856B
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- core
- groove
- ceramic
- overcoat
- passive device
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
- G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3881—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using grooves to align ferrule ends
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to a pluggable optical passive device, which comprises a functional component and an outer sleeve, wherein the functional component comprises a compression assembly and an inner sleeve, the outer sleeve and the inner sleeve are matched with each other in an inserted mode and are mutually fixed to form a hollow body which is communicated from the head to the tail, the compression assembly is arranged in the hollow body, and the compression assembly comprises a core piece, a spring, a washer, a clamp spring and a core clamp; the negative terminal H-value size of functional component is a fixed value conforming to IEC61754-42013, when the positive terminal H-value size of the functional component is compressed, the core piece and the core clamp in the compression assembly are of an integrated structure and move in an integral mode, and the negative terminal H-value size of the functional component is kept to be unchanged. According to the pluggable optical passive device provided by the invention, a defect that device indexes are affected by connection coupling mismatch generated when a negative terminal is connected with a connector in the prior art can be completely overcome, and a pluggable optical passive device structure in which the positive terminal H-value size and the negative terminal H-value size are not mutually affected is realized.
Description
Technical field
The present invention relates to a kind of optical device, more particularly to a kind of pluggable optical passive component structure, the invention belongs to
Communication field.
Background technology
With the development of Fibre Optical Communication Technology, the especially development of Optical Access Network FTTH and PON, miniaturization is low
Cost, online plug and play is the developing direction of optical passive component, is more especially used for FTTB, the optical filter of CATV, example
Such as it is used for the block device of CATV signals, reflection terminal as OTDR signals etc. during FTTH circuit monitorings, while also having
Pluggable optical attenuator, because consumption is very big, so the consideration to cost, the convenience of installation operation, volume miniaturization etc.
Aspect just has requirement higher.
A kind of pluggable light wave filter is disclosed in Chinese utility model patent ZL201220510839.6, there is provided a kind of
Online plug and play, miniaturization, low cost, optical index stably can plug optical filter, but plug connector therein
There is following defect (as shown in Figure 1) in part：First, the metal adapter sleeve peripheral structure of device inside lacks spring so that
Oedoeagus be connected with connector the time filtering chipware internally freely activity, it is impossible to the ceramic insertion core of oedoeagus first provide elastic force mend
Repay, it is possible to create the phenomenon of bad connection occurs；Second, inner sleeve 3 and core folder 14 for together with snapping connection, as oedoeagus (IEC
61754-4 2013 requires that oedoeagus H values size is 7.15mm~7.5mm) the first ceramic insertion core (H value size compressions when being compressed
During to 6.9mm~7.1mm, ferrule endface pressure is 7.8N~11.8N), moved after light filtering chipware entirety, female end can be influenceed
The size of H values, i.e. female end H values can overflow 6.9mm~7.1mm scopes because of the compression of oedoeagus, and (IEC 61754-4 2013 are required
Female end H values are in the range of 6.9mm~7.1mm), cause female end to be produced when being connected with connector and be connected coupling mismatch, so that shadow
Chinese percussion instrument part index.
The content of the invention
The technical problems to be solved by the invention are to overcome the above-mentioned technical problem in the presence of prior art, there is provided one
Kind fix the optical device structure that female end H values sizes is 6.9mm~7.1mm in device female end, oedoeagus when compressed, female end H values
Size is unaffected and keeps constant, meets the requirement of IEC 61754-4 2013.Inner sleeve and core folder are Split type structure, core folder with
Light filtering chipware is integrated.It is achieved in, the pluggable light passive device that oedoeagus H values size and female end H value sizes are independent of each other
Structure.
The technical solution adopted in the present invention is：
A kind of pluggable light passive device, including functional part and overcoat, wherein the functional part includes compression assembly
And inner sleeve, the overcoat and the inner sleeve are plugged with merging the ducted body that is fixed to one another and to form front and rear insertion, the compression group
Part is arranged in the ducted body, and the compression assembly includes chipware, spring, packing ring, jump ring and core folder；The chipware includes the
One ceramic insertion core, the second ceramic insertion core, the first opening ceramic bushing, metal adapter sleeve, wherein first ceramic insertion core and
Two ceramic insertion cores are axially docked, and first opening ceramic bushing is set in first ceramic insertion core and the second ceramic insertion core pair
Connect on the periphery at end, the metal adapter sleeve is set on the periphery of first opening ceramic bushing；The chipware passes through institute
Jump ring is stated to be fixedly connected with core folder；A part of guide-localization of the chipware be sheathed on core folder in, the chipware it is another
Partial periphery is arranged with the spring, and one end of the spring is by the packing ring by spacing, the spring of the inner sleeve
The other end by the chipware metal adapter sleeve institute it is spacing.
The overcoat includes overcoat male and overcoat the moon head, and the side of the overcoat male is symmetrically arranged with buckle slot；Institute
State inner sleeve side and be provided with boss, the first draw-in groove, the second draw-in groove；Axially arranged there is feather key along its inside the inner sleeve；It is described
Boss carries out grafting cooperation with the outer buckle slot for putting；Gathering sill is formed with the metal adapter sleeve, the chipware leads to
The gathering sill and the interior interworking put between feather key crossed on the metal adapter sleeve realize the chipware in the inner sleeve
In positioning and guiding.
The overcoat male and overcoat the moon head are met outside the SC types joints of optical fibre, the standard interface of SC type fiber adapter
Shape and size.
The periphery of second ceramic insertion core is further fixed with the second opening ceramic bushing, second opening ceramic jacket
Cylinder is realized the cooperation of the chipware and the overcoat the moon head and is coupled.
The packing ring is annular gasket structure, and outwards the first card key and the second card key, institute are symmetrically arranged with its circumference
State packing ring to be placed between the spring and core folder positioned at the periphery of the metal adapter sleeve, first card key and second is blocked
Key is snapped in first draw-in groove and the second draw-in groove of the inner sleeve respectively, thus by the spring-compressed in the metal adapter sleeve
Gathering sill jut and the packing ring between.
Core folder include circular dead slot and on the end periphery of the circular dead slot it is symmetrically arranged first slotting
Enter groove and the second insertion groove, groove is provided with the periphery between first insertion groove and the second insertion groove；The pad
Circle is arranged in the circular dead slot of core folder；The jump ring is U-shaped latch structure, with the first card key be arrangeding in parallel and second
Card key, first card key and the second card key of the jump ring are by the groove on core folder, the first insertion groove and the second insertion groove
In inserting the first draw-in groove and the second draw-in groove on the metal adapter sleeve respectively.
The overcoat, inner sleeve and core folder are plastic material, and the spring, packing ring and jump ring are metal material.
The inside of first ceramic insertion core has been axially inserted into the first single-mode fiber along it；Second ceramic insertion core it is interior
Portion has been axially inserted into the second single-mode fiber along it；First opening ceramic bushing is used to first ceramic insertion core and second
Precision-fit of the ceramic insertion core on its axis and docking end face, so that first single-mode fiber and the second single-mode fiber
Align and accurately couple with the butt end of second ceramic insertion core in first ceramic insertion core so that described first
Single-mode fiber expeditiously can be transmitted mutually with the optical signal of transmission in second single-mode fiber on end face coupled to each other.
Functional Unit can be further placed between the butt end of first ceramic insertion core and second ceramic insertion core
Part, the thickness of the function element is not changing the biography of optical signal between first ceramic insertion core and second ceramic insertion core
Defeated direction；The function element can be one or more in light filter plate, optical attenuator, optoisolator, optical lens.
The female end H value sizes of the functional part are the definite value for meeting the specifications of IEC 61754-4 2013, in the function
When the oedoeagus H values size of part is compressed, chipware and the core folder in the compression assembly are structure as a whole and move integrally, the work(
The female end H values size of energy part keeps immobilizing.
The present invention has following advantages：
Pluggable light passive device structure of the invention, can completely overcome the shortcoming of prior art, realize oedoeagus H value chis
The pluggable light passive device structure that very little and female end H value sizes are independent of each other.
Brief description of the drawings
Fig. 1 is SC types pluggable light passive device structure functional part schematic diagram in the prior art；
Fig. 2 is SC types pluggable light passive device structure assembling structure schematic diagram of the invention；
Fig. 3 a are jacket structure outline drawings of the invention；
Fig. 3 b are jacket structure sectional views of the invention；
Fig. 4 a are inner sleeve structural perspectives of the invention；
Fig. 4 b are inner sleeve structure sectional views of the invention
Fig. 4 c are interior nested structure left views of the invention；
Fig. 5 a are metal connecting jacket structure stereograms of the invention；
Fig. 5 b are metal connecting jacket structure sectional views of the invention；
Fig. 6 is gasket construction stereogram of the invention；
Fig. 7 is clip spring structure stereogram of the invention；
Fig. 8 a are core clamping structure stereograms of the invention；
Fig. 8 b are core clamping structure outline drawings of the invention；
Fig. 9 is light filtering chipware structural representation of the present invention；
Figure 10 is compression assembly construction profile figure of the invention；
Figure 11 is functional part construction profile figure of the invention；
Figure 12 is ceramic insertion core structural perspective of the invention.
Wherein：
1：First single-mode fiber； 2：Overcoat；
3：Inner sleeve； 4：Metal adapter sleeve；
5：Spring； 6：Packing ring；
7：Second single-mode fiber； 8：First ceramic insertion core；
9：Light filters chipware； 10：Function element；
11：First opening ceramic bushing； 12：Jump ring；
13：Second opening ceramic bushing； 14：Core is pressed from both sides；
15：Second ceramic insertion core；
2-1：Overcoat male； 2-2：Overcoat the moon head；
2-3：Gathering sill；
3-1：Boss； 3-2：Draw-in groove 1；
3-3：Draw-in groove 2； 3-4：Feather key；
4-1：Draw-in groove 1； 4-2：Gathering sill；
4-3：Draw-in groove 2；
6-1：Card key 1； 6-2：Card key 2；
12-1：Card key 1； 12-2：Card key 2；
14-1：Circular dead slot； 14-2：Insertion groove 1；
14-3：Groove； 14-4：Insertion groove 2；
Specific embodiment
Specific embodiment is given below in conjunction with the accompanying drawings, further introduces the present invention by taking SC type pluggable light wave filters as an example
Pluggable light passive device structure implementation.
As shown in Fig. 2 pluggable light wave filter of the invention, includes positioned at the inner sleeve 3 of incident light side and is inserted with inner sleeve 3
The overcoat 2 for connecing, the overcoat 2 is placed in the outside of inner sleeve 3, and the overcoat 2 is integrally formed with inner sleeve 3 by grafting cooperation, in institute
The ducted body of insertion before and after overcoat 2 and the inner shaft of inner sleeve 3 are formed upwardly through docking is stated, is set in the ducted body that formation is docked herein
It is equipped with light filtering chipware 9, spring 5, packing ring 6, jump ring 12, the second opening ceramic bushing 13 and core folder 14.
Described light filtering chipware 9 as shown in Figure 2 and Figure 9, is included：First ceramic insertion core 8, first ceramic insertion core
8 inside has been axially inserted into the first single-mode fiber 1 along it；Second ceramic insertion core 15, second ceramic insertion core 15 and first is made pottery
Porcelain lock pin 8 is docked, and the inside of second ceramic insertion core 15 has been axially inserted into the second single-mode fiber 7 along it；Described
The first opening ceramic bushing 11 is further arranged with the periphery of the butt end of one ceramic insertion core 8 and the second ceramic insertion core 15.
First opening ceramic bushing 11 is used to realize the ceramic insertion core 15 of first ceramic insertion core 8 and second in its axle
Precision-fit on line and docking end face, so that the single-mode fiber 7 of first single-mode fiber 1 and second is in the described first pottery
Porcelain lock pin 8 is aligned and accurately coupled with the butt end of second ceramic insertion core 15 so that in the first single-mode fiber 1 and
The optical signal of transmission expeditiously can be transmitted mutually on end face coupled to each other in two single-mode fibers 7, i.e., can be expeditiously
The second single-mode fiber 7 is transferred to from the first single-mode fiber 1 and expeditiously can be transferred to the first list from the second single-mode fiber 7
Mode fiber 1.
Metal adapter sleeve 4 is cased with the periphery of first opening ceramic bushing 11, the metal adapter sleeve 4 is opened with first
Pass through bonded adhesives secure bond between mouth ceramic sleeve 11.The metal adapter sleeve 4 and first opening ceramic bushing 11 it
Between point adhesive curing be to be carried out in heating process, it is possible thereby to increase the mobility of bonded adhesives, bonded adhesives is connected full of metal
The adapted space of the opening ceramic bushing 11 of female connector 4 and first, reaches the purpose of cure package.
Overcoat 2 as shown in Figure 3 a-3b, including overcoat male 2-1 and overcoat the moon head 2-2, the side pair of overcoat male 2-1
Title is provided with buckle slot 2-3.Second opening ceramic bushing 13 is fixed on the periphery of second ceramic insertion core 15, by described second
Ceramic insertion core 15 is built in the ducted body of the core folder 14, and second opening ceramic bushing 13 realizes light filtering chipware 9 (such as
Shown in Fig. 2 and Fig. 9) with the cooperation of overcoat the moon head 2-2 with couple.
Inner sleeve 3 as depicted in figure 4 a-4 c, boss 3-1, draw-in groove 3-2, draw-in groove 3-3 is provided with its side；Along it inside it
It is axially arranged to have feather key 3-4；The boss 3-1 carries out grafting with the buckle slot 2-3 (as shown in figure 3b) on the overcoat 2
Coordinate, and thus fix (as shown in Figure 2).
As shown in Fig. 5 a-5b, metal adapter sleeve 4 is metallic cylinder sleeve structure, the periphery of its one end to metal adapter sleeve 4
On be symmetrically arranged with draw-in groove 4-1, draw-in groove 4-3；Multiple juts are formed with the periphery of the other end, are formed between jut
Gathering sill 4-2, the gathering sill 4-2 carry out interworking with the feather key 3-4 (as illustrated in fig. 4 c) in inner sleeve 3.As illustrated in fig. 4 c, it is interior
Two feather key 3-4 are symmetrically arranged with set 3, as shown in Figure 5 a, equally distributed 4 guiding are formed with metal adapter sleeve 4
4-2,4 gathering sill 4-2 are relative two-by-two for groove.The light filtering chipware 9 is (as shown in Figure 9) by the metal adapter sleeve 4
Interworking on gathering sill 4-2 and inner sleeve 3 between feather key 3-4 realizes positioning and guiding.
The spring 5 is placed on periphery (such as Fig. 5 a of the metal adapter sleeve 4 of light filtering chipware 9 (as shown in Figure 2 and Figure 9)
It is shown), the gathering sill 4-2 directions in metal adapter sleeve 4.
Packing ring 6 as shown in fig. 6, be annular gasket structure, be outwards symmetrically arranged with card key 6-1 and card key 6- on its circumference
2, preferably provided circumferentially about have a breach at its so that by the deformation of annular gasket structure cause card key 6-1 and card key 6-2 it
Between certain change in location can occur along the radial direction of annular gasket, to carry out buckle installation.The packing ring 6 connects positioned at metal
The periphery of female connector 4 is placed between spring 5 and core folder 14 (as shown in Figure 2), and the card key 6-1 and card key 6-2 is snapped in interior respectively
Set 3 draw-in groove 3-2 and draw-in groove 3-3 in, thus the spring 5 is compressed in metal adapter sleeve 4 jut and the packing ring 6 it
Between.
Jump ring 12 as shown in fig. 7, be U-shaped latch structure, with the card key 12-1 and card key 12-2 that be arranged in parallel.
Core presss from both sides 14 as shown in Figure 8 a-8b, including circular dead slot 14-1 and the periphery in the end of circular dead slot 14-1
On be symmetrically arranged with insertion groove 14-2 and insertion groove 14-4, on the periphery between insertion groove 14-2 and insertion groove 14-4 set
There is groove 14-3.The packing ring 6 is placed in the circular dead slot 14-1 of core folder 14 (as shown in Figure 8 a), in light filtering chipware 9 (such as Fig. 9
It is shown) with core folder 14 simultaneously compressed to the direction of spring 5 when, by the card key 12-1 in jump ring 12 and card key 12-2 (as shown in Figure 7)
Groove 14-3, insertion groove 14-2 and insertion groove 14-4 (as figures 8 a and 8 b show) in 14 are pressed from both sides by core and inserts metal company respectively
In two side bayonet slot 4-1 and draw-in groove 4-3 in female connector 4 (as shown in Figure 5 b).Thus light filter chipware 9 (as shown in Figure 9), spring 5,
Packing ring 6, jump ring 12 collectively form compression assembly (as shown in Figure 10) with core folder 14, while realizing that fixed female end H value sizes are fixed
Value.Feather key 3-4 in the described compression assembly gathering sill 4-2 and inner sleeve 3 by metal adapter sleeve 4 (as shown in Figure 10)
Interworking is carried out, the structure realizes the positioning and guiding to light filtering chipware 9 (as shown in Figure 9), while the card key of described packing ring 6
6-1 and card key 6-2 are snapped in the draw-in groove 3-2 and draw-in groove 3-3 of inner sleeve 3 respectively, are achieved in spring 5 and are compressed in metal adapter sleeve
Between 4 and packing ring 6, in the ducted body of inner sleeve 3.
When the end face of ceramic insertion core 8 is under pressure, compression assembly (as shown in Figure 10) can be with the elastic force effect of spring 5
The Free Compression in inner sleeve 3, so as to constitute functional part as shown in figure 11 together with inner sleeve 3.
The female end H values size of functional part (as shown in figure 11) is definite value, is required H values according to IEC 61754-4 2013
It is set as between 6.9mm~7.1mm, nominal value 7.0mm, in oedoeagus H values size, (IEC 61754-4 2013 require oedoeagus H values
Size be 7.15mm~7.5mm) compression when (when H values size compression is to 6.9mm~7.1mm, ferrule endface pressure be 7.8N
~11.8N), light in compression assembly (as shown in Figure 10) filters chipware 9 (as shown in Figure 9) and core presss from both sides 14 and is structure as a whole entirety
After move, female end H value sizes immobilize, realize female end H values size not by oedoeagus compression influenceed, set so as to reach structure
The purpose of meter.
The SC type pluggable light wave filters of the miniaturization after overall assembling, during device use, the overcoat in overcoat 2
Male 2-1 is connected with SC type fiber adapter, and the overcoat the moon head 2-2 in overcoat 2 is connected with the SC type joints of optical fibre.Optical signal can
Coordinate input optical signal with through SC types fiber adapter and overcoat male 2-1, it is also possible to cloudy through the SC types joints of optical fibre and overcoat
Head 2-2 coordinates input optical signal.
Above-mentioned each part, overcoat 2, inner sleeve 3 and core folder 14 is plastic material, and spring 5, packing ring 6 and jump ring 12 are metal material
Matter.Described overcoat male 2-1 and overcoat the moon head 2-3 are to meet the SC types joints of optical fibre, SC type fiber adapter standard interfaces
The plastic outer part of size.Described light filtering chipware is the key function element of pluggable light wave filter, for realizing to defeated
The filter function of optical signal.
More specifically, first ceramic insertion core 8 is identical with the structure of the second ceramic insertion core 15, it is respectively provided with such as Figure 12
Shown structure：The main body of ceramic insertion core is rod-like structure long, the internal through hole for being axially formed through single-mode fiber, wherein long
One end of rod is located on the outer peripheral face of end and is formed with grooved bore 8-1, divides on the first ceramic insertion core 8 and the second ceramic insertion core 15
The grooved bore not set is respectively positioned in the inner space of the first opening ceramic bushing 11, and bonding is marked with described grooved bore 8-1
Glue, by can strengthen after solidification the first opening ceramic bushing 11 and the ceramic insertion core 15 of first ceramic insertion core 8 and second it
Between fastening force, increase device the times of capable of being inserted and pulled out so that the first ceramic insertion core 8 can be carried with the second ceramic insertion core 15
Larger contact engaging and separating force, it is to avoid the ceramic insertion core 15 of first ceramic insertion core 8 and second is in use from light filtering chipware 9
Come off.
The ceramic insertion core 15 of first ceramic insertion core 8 and second has the end face of the pyramidal structure of one end of grooved bore can be with
It is APC faces or UPC planes, the angle in APC faces is 3 °, 6 °, 12 ° of inclined-planes etc., to reach different reflection indicatrix, can be using difference
Angle of chamfer angle value.The end plane angle of the ceramic insertion core 15 of first ceramic insertion core 8 and second could be arranged to complementary angle, with
Achieve a butt joint, as shown in Figure 2 and Figure 9, APC the or UPC end faces of the ceramic insertion core 15 of first ceramic insertion core 8 and second pass through
Optical coating film layer docks (as shown in Figure 9), or adds filter function in the middle of the first ceramic insertion core 8 and the second ceramic insertion core 15
Element 10 (as shown in Figure 2).
Described the first single-mode fiber 1 and the second single-mode fiber 7 can realize effective transmission of the optical signal in optical fiber, the
One single-mode fiber 1 and the second single-mode fiber 7 are by using bonded adhesives respectively in the first ceramic insertion core 8 and the second ceramic insertion core 15
Heat cure is realized, it is right by after the B ends fiber end face grinding and polishing of the first ceramic insertion core 8 and the second ceramic insertion core 15
Fiber end face carries out optical coating.
The coating process of the optical coating film layer on the end face of the ceramic insertion core 15 of first ceramic insertion core 8 and second is：
It is right after first single-mode fiber 1 is carried out into precuring in the first ceramic insertion core 8 when first ceramic insertion core 8 carries out plated film
The B ends end surface grinding polishing of the first ceramic insertion core 8, setting end face structure is APC or UPC, then carries out optics end face coating；When
When second ceramic insertion core 15 carries out plated film, carried out using similar fashion.By the first ceramic insertion core 8 and the second ceramic insertion core 15
Relative two end plane angles for connecing are set to complementary angle, to achieve a butt joint.The ceramic insertion core of first ceramic insertion core 8 and second
The 15 relative end faces for connecing can be while be coated with optical coating film layer, it is also possible to which only one of which ferrule endface is coated with optics
Plated film film layer.Optical coating film layer its function is mainly the effective filtering for realizing optical signal, reaches the purpose of optical signal filtering.I.e.
Described optical coating film layer can be respectively formed on the end face of the first ceramic insertion core 8 and the second ceramic insertion core 15, or described
Optical coating film layer be made only on the end face of the first ceramic insertion core 8, or be made only on the end face of the second ceramic insertion core 15.
Or, in the first ceramic insertion core 8 and the B ends joint of the second ceramic insertion core 15, it is placed with the function element with filter function
10, with its thickness in the case where optical signal transmission direction is not changed, realize the filtering of optical signal.First ceramic insertion core 8
With the A ends end face away from grooved bore 8-1 of the second ceramic insertion core 15 by grinding and polishing, end face can be PC end faces, or UPC ends
Face, or APC end face.
Functional part structure (as shown in figure 11) provided by the present invention is used as a kind of pluggable light passive device core
Part structure, the pluggable structure of SC types that can be used for realizing under any functional characteristic, except SC types light detailed above is filtered
Beyond ripple device, SC type optical attenuators, the isostructural product of SC type optoisolators can also be realized, and can be implemented as Hermaphrodite
Pluggable structure, only only needs to for corresponding function element 10 to be substituted for the elements such as optical attenuation piece, optoisolator chipware.
The male of pluggable light passive device fiber adapter corresponding with the above-mentioned type infrastructure product is connected, the passive device of pluggable light
The cloudy head joints of optical fibre corresponding with the above-mentioned type structure of part are connected.The male of pluggable light passive device and cloudy head are right respectively
National standard and international standard interface the size requirement corresponding to the above-mentioned type infrastructure product should be met.
Therefore the invention provides a kind of solution of pluggable light passive device structure, realized in structure design
Oedoeagus H values size and the size non-interference influence when in use of female end H values, while the pluggable light passive device structure can be realized
Very excellent optical index, meet in the market to product encapsulate minimize, the integrated industry requirement of function.
Although the present invention has been illustrated in detail in and has described the specific embodiment reference of correlation, the technology of this area
Personnel in without departing substantially from the spirit and scope of the present invention it should be appreciated that can in the form and details make various changing
Become.These changes fall within the protection domain required by claim of the invention.
Claims (10)
1. a kind of pluggable light passive device, including functional part, metal adapter sleeve (4), overcoat (2), wherein the function part
Part includes compression assembly and inner sleeve (3), and the overcoat (2) plugs to form front and rear with merging to be fixed to one another with the inner sleeve (3)
The ducted body of insertion, the compression assembly is arranged in the ducted body, it is characterised in that：
The compression assembly includes chipware (9), spring (5), packing ring (6), jump ring (12) and core folder (14), and the chipware (9) is led to
The jump ring (12) is crossed to be fixedly connected with core folder (14)；
Draw-in groove (4-1), draw-in groove (4-3) are symmetrically arranged with the periphery of described metal adapter sleeve (4) one end；The circumference of the other end
Multiple juts are formed with face, gathering sill (4-2) is formed between jut, the gathering sill (4-2) is carried out with inner sleeve (3)
Interworking；
The packing ring (6) is annular gasket structure, and outwards the first card key (6-1) and the second card key are symmetrically arranged with its circumference
(6-2), the packing ring (6) positioned at the periphery of the metal adapter sleeve (4) be placed in the spring (5) and the core folder (14) it
Between, first card key (6-1) and the second card key (6-2) be snapped in respectively the inner sleeve (3) setting the first draw-in groove (3-2) and
In second draw-in groove (3-3)；
Core folder (14) is symmetrical including circular dead slot (14-1) and on the end periphery of the circular dead slot (14-1)
The first insertion groove (14-2) and the second insertion groove (14-4) for setting, in first insertion groove (14-2) and the second insertion groove
Groove (14-3) is provided with periphery between (14-4)；The packing ring (6) is arranged at core folder (14) the circle dead slot
In (14-1)；
A part of guide-localization of the chipware (9) is sheathed in core folder (14), the periphery set of another part of the chipware (9)
It is provided with the spring (5), one end of the spring (5) is by the packing ring (6) by the inner sleeve (3) spacing, the spring
(5) the other end is spacing by the chipware (9) institute.
2. a kind of pluggable light passive device as claimed in claim 1, it is characterised in that：The chipware (9) includes the first pottery
Porcelain lock pin (8), the second ceramic insertion core (15), the first opening ceramic bushing (11), metal adapter sleeve (4), wherein first pottery
Porcelain lock pin (8) and the second ceramic insertion core (15) are axially docked, and first opening ceramic bushing (11) is set in first pottery
On the periphery of porcelain lock pin (8) and the second ceramic insertion core (15) butt end, the metal adapter sleeve (4) is set in first opening
On the periphery of ceramic sleeve (11).
3. a kind of pluggable light passive device as claimed in claim 2, it is characterised in that：The overcoat (2) includes overcoat sun
Head (2-1) and overcoat the moon head (2-2), the side of the overcoat male (2-1) is symmetrically arranged with buckle slot (2-3)；The inner sleeve
(3) side is provided with boss (3-1), the first draw-in groove (3-2), the second draw-in groove (3-3)；Set along its axial direction inside the inner sleeve (3)
It is equipped with feather key (3-4)；The boss (3-1) carries out grafting cooperation with the buckle slot (2-3) on the overcoat (2)；The gold
Gathering sill (4-2) is formed with category adapter sleeve (4), the chipware (9) is by the gathering sill (4- on the metal adapter sleeve (4)
2) realize that positioning of the chipware (9) in the inner sleeve (3) is led with the interworking between feather key (3-4) in the inner sleeve (3)
To.
4. a kind of pluggable light passive device as claimed in claim 3, it is characterised in that：The overcoat male (2-1) and outer
The cloudy head (2-2) of set meets the standard interface profile and size of the SC types joints of optical fibre, SC type fiber adapter.
5. a kind of pluggable light passive device as claimed in claim 3, it is characterised in that：Second ceramic insertion core (15)
Periphery is further fixed with the second opening ceramic bushing (13), and second opening ceramic bushing (13) realizes the chipware (9)
With the overcoat the moon head (2-2) cooperation with couple.
6. a kind of pluggable light passive device as claimed in claim 1, it is characterised in that：The jump ring (12) is U-shaped latch
Structure, with the first card key (12-1) and the second card key (12-2) that be arranged in parallel, the first card key (12- of the jump ring (12)
1) with the second card key (12-2) by the groove (14-3) on core folder (14), the first insertion groove (14-2) and the second insertion groove
(14-4) is inserted in the first draw-in groove (4-1) and the second draw-in groove (4-3) on the metal adapter sleeve (4) respectively.
7. a kind of pluggable light passive device as any one of claim 1-6, it is characterised in that：The overcoat (2),
Inner sleeve (3) and core folder (14) are plastic material, and the spring (5), packing ring (6) and jump ring (12) are metal material.
8. a kind of pluggable light passive device as any one of claim 2-5, it is characterised in that：First ceramics
The inside of lock pin (8) has been axially inserted into the first single-mode fiber (1) along it；The inside of second ceramic insertion core (15) is along its axial direction
It is inserted with the second single-mode fiber (7)；First opening ceramic bushing (11) is used to first ceramic insertion core (8) and second
Precision-fit of the ceramic insertion core (15) on its axis and docking end face, so that first single-mode fiber (1) and second
Single-mode fiber (7) is aligned and accurate on butt end of first ceramic insertion core (8) with second ceramic insertion core (15)
Coupling so that the optical signal of transmission is at end coupled to each other in first single-mode fiber (1) with second single-mode fiber (7)
Expeditiously can mutually be transmitted on face.
9. a kind of pluggable light passive device as any one of claim 2-5, it is characterised in that：First ceramics
Function element (10), the Functional Unit are further placed between lock pin (8) and the butt end of second ceramic insertion core (15)
The thickness of part (10) is not changing the transmission of optical signal between first ceramic insertion core (8) and second ceramic insertion core (15)
Direction；The function element is one or more in light filter plate, optical attenuator, optoisolator, optical lens.
10. a kind of pluggable light passive device as any one of claim 1-6, it is characterised in that：The function part
The female end H value sizes of part are the definite value for meeting the specifications of IEC 61754-4 2013, in the oedoeagus H value size quilts of the functional part
During compression, chipware (9) and core folder (14) in the compression assembly are structure as a whole and move integrally, the female end of the functional part
H values size keeps immobilizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342513.5A CN105158856B (en) | 2015-06-19 | 2015-06-19 | Pluggable optical passive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342513.5A CN105158856B (en) | 2015-06-19 | 2015-06-19 | Pluggable optical passive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105158856A CN105158856A (en) | 2015-12-16 |
| CN105158856B true CN105158856B (en) | 2017-05-24 |
Family
ID=54799770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510342513.5A Active CN105158856B (en) | 2015-06-19 | 2015-06-19 | Pluggable optical passive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105158856B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6776097B2 (en) * | 2016-11-11 | 2020-10-28 | 日本航空電子工業株式会社 | connector |
| CN109521531B (en) * | 2018-12-20 | 2024-03-29 | 长芯盛(武汉)科技股份有限公司 | Tube penetrating type pre-terminated jumper wire and tube penetrating type pre-terminated optical cable connecting device |
| CN113625397B (en) * | 2021-06-29 | 2023-07-21 | 武汉联特科技股份有限公司 | Detachable optical fiber adapter and optical device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3071191B1 (en) * | 1999-04-15 | 2000-07-31 | 三和電気工業株式会社 | Optical fixed attenuator |
| TW509334U (en) * | 2001-11-21 | 2002-11-01 | Hon Hai Prec Ind Co Ltd | Optical fiber attenuator |
| CN101794022B (en) * | 2010-03-15 | 2011-09-07 | 武汉光迅科技股份有限公司 | Pluggable optical filter |
| CN202837593U (en) * | 2012-10-08 | 2013-03-27 | 武汉光迅科技股份有限公司 | Pluggable optical filter |
| CN103336335B (en) * | 2013-06-26 | 2015-05-27 | 华为技术有限公司 | Optical device |
-
2015
- 2015-06-19 CN CN201510342513.5A patent/CN105158856B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105158856A (en) | 2015-12-16 |
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